Combined Sentences: Atoms and Subatomic Particles 2-10-05

1.a. The term atom comes from an ancient Greek word meaning indivisible.

1.b. Atoms means indivisible which comes from an ancient Greek word.

2.a. Ancient Greek philosophers first proposed the idea of an atom[,] but [what] we call atoms today can be broken into parts.

2.b. Ancient Greek philosophers believed that the idea of an atom cannot be broken. The whole purpose of an atom is that it was indivisible.

2.c. Ancient Greek philosophers first proposed the idea of an atom[,] but what we call atoms today can be broken into parts.

3.a. The nucleus is the central core of an atom which is surrounded by a cloud of electrons. An atom has many parts, but consists of a lot of empty space.

3.b. Atoms have more than one part, for the nucleus is the central core of an atom and is surrounded by cloud of electrons, but most of an atom is empty space.

4.a. The two particles that can be found in the nucleus are protons and neutrons.

4.b. Protons and neutrons are particles of the nucleus.

4.c Two particle called protons and neutrons can be found in the nucleus of an atom.

5.a. Protons are positively charged particles that can determine the type of element.

5.b. Protons are positively charged particles, and the number of protons determines the type of element.

6.a. Molecules are made of atoms, and atoms are made of subatomic particles.

6.b. Molecules are made of atoms, but atoms are not made of molecules.